SIMBAD query result

Please have a look at the "Dictionary of Nomenclature"

Result of query: info cati LEDA 4536981

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 [Class]      Acronym  (Explanation)   . . . . . . . . . in Simbad, use:
 [Galaxy]     CPG (Catalog Principal of Galaxies)  . =E= LEDA NNNNNNN
 [Galaxy]     HHIC (Homogeneized Hydrogen I Catalog) =E= LEDA NNNNNNN
 [Galaxy]     HIC (Hydrogen I Catalog) . . . . . . . =E= LEDA NNNNNNN
 [Galaxy]     LEDA (Lyon-Meudon Extragalactic Database) =E= LEDA NNNNNNN
 [Galaxy]     P (Principal Galaxies Catalog) . . . . =E= LEDA NNNNNNN
 [Galaxy]     PGC (Principal Galaxies Catalog) . . . =E= LEDA NNNNNNN
=E= indicates catalogues available in electronic form at CDS